* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

.container {
  width: 500px;
  height: 300px;
  position: relative;
  margin: 0 auto;
  overflow: hidden;
  outline: 1px solid rgb(255, 1, 1);
}

.container .imgarea {
  width: 1500px;
  height: 100%;
}

.container .imgarea img {
  width: 500px;
  height: 100%;
  object-fit: cover;
  display: block;
  float: left;
}

.container .indicatorarea {
  height: 50px;
  width: 100%;
  position: absolute;
  left: 0;
  bottom: 0;
  background-color: lightblue;
  text-align: center;
  line-height: 50px;
  font-size: 0;
}
.container .indicatorarea .indicatoritem {
  display: inline-block;
  width: 20px;
  height: 4px;
  margin-left: 5px;
  margin-right: 5px;
  background-color: white;
}

.container .indicatorarea .indicatoritem.active {
  
  background-color: white;
}
